82186649969612 has 6 divisors (see below), whose sum is σ = 143826637446828. Its totient is φ = 41093324984804.

The previous prime is 82186649969591. The next prime is 82186649969623. The reversal of 82186649969612 is 21696994668128.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10273331246198 + ... + 10273331246205.

It is an arithmetic number, because the mean of its divisors is an integer number (23971106241138).

Almost surely, 2^{82186649969612} is an apocalyptic number.

It is an amenable number.

82186649969612 is a deficient number, since it is larger than the sum of its proper divisors (61639987477216).

82186649969612 is a wasteful number, since it uses less digits than its factorization.

82186649969612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20546662492407 (or 20546662492405 counting only the distinct ones).

The product of its digits is 967458816, while the sum is 77.

The spelling of 82186649969612 in words is "eighty-two trillion, one hundred eighty-six billion, six hundred forty-nine million, nine hundred sixty-nine thousand, six hundred twelve".